Home / 106,933,190.24-147,688,168.02-72,269,065.28

Finding the Fourth Proportional to 106,933,190.24, 147,688,168.02 and 72,269,065.28

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Solution

The fourth proportional to 106,933,190.24, 147,688,168.02 and 72,269,065.28 is: 99,812,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933,190.24 : 147,688,168.02 = 72,269,065.28 : x
  2. Step 2: Convert to fraction form
    106,933,190.24/147,688,168.02 = 72,269,065.28/x
  3. Step 3: Cross multiply
    106,933,190.24x = 147,688,168.02 × 72,269,065.28
  4. Step 4: Simplify right side
    106,933,190.24x = 10,673,285,855,819,200
  5. Step 5: Solve for x
    x = 10,673,285,855,819,200/106,933,190.24
  6. Step 6: Final answer
    x = 99,812,657.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.